221323201043 has 8 divisors (see below), whose sum is σ = 254455418112. Its totient is φ = 188569638216.

The previous prime is 221323200949. The next prime is 221323201049. The reversal of 221323201043 is 340102323122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221323201043 - 2¹⁴ = 221323184659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221323201049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94662305 + ... + 94664642.

It is an arithmetic number, because the mean of its divisors is an integer number (31806927264).

Almost surely, 2^221323201043 is an apocalyptic number.

221323201043 is a deficient number, since it is larger than the sum of its proper divisors (33132217069).

221323201043 is a wasteful number, since it uses less digits than its factorization.

221323201043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189327121.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 221323201043 its reverse (340102323122), we get a palindrome (561425524165).

The spelling of 221323201043 in words is "two hundred twenty-one billion, three hundred twenty-three million, two hundred one thousand, forty-three".